-Fixed build

Src/Newtonsoft.Json.Tests/Newtonsoft.Json.Tests.WindowsPhone.csproj

@@ -102,6 +102,7 @@
     <Compile Include="Serialization\ReferenceLoopHandlingTests.cs" />
     <Compile Include="Serialization\SerializationErrorHandlingTests.cs" />
     <Compile Include="Serialization\SerializationEventAttributeTests.cs" />
+    <Compile Include="Serialization\TraceWriterTests.cs" />
     <Compile Include="Serialization\TypeNameHandlingTests.cs" />
     <Compile Include="Serialization\WebApiIntegrationTests.cs" />
     <Compile Include="TestObjects\AbstractGenericBase.cs" />

Src/Newtonsoft.Json/Newtonsoft.Json.WindowsPhone.csproj

@@ -144,6 +144,7 @@
     <Compile Include="Serialization\ErrorEventArgs.cs" />
     <Compile Include="Serialization\IContractResolver.cs" />
     <Compile Include="Serialization\IReferenceResolver.cs" />
+    <Compile Include="Serialization\ITraceWriter.cs" />
     <Compile Include="Serialization\IValueProvider.cs" />
     <Compile Include="Serialization\JsonArrayContract.cs" />
     <Compile Include="Serialization\JsonContainerContract.cs" />
@@ -167,6 +168,7 @@
     <Compile Include="Serialization\OnErrorAttribute.cs" />
     <Compile Include="Serialization\ReflectionValueProvider.cs" />
     <Compile Include="StreamingContext.cs" />
+    <Compile Include="TraceLevel.cs" />
     <Compile Include="TypeNameHandling.cs" />
     <Compile Include="Utilities\Base64Encoder.cs" />
     <Compile Include="Utilities\BidirectionalDictionary.cs" />

Src/Newtonsoft.Json/Utilities/ConvertUtils.cs

@@ -332,7 +332,7 @@ namespace Newtonsoft.Json.Utilities
         if (targetType == typeof (Uri))
           return new Uri((string) initialValue, UriKind.RelativeOrAbsolute);
         if (targetType == typeof (TimeSpan))
-#if !(NET35 || NET20 || PORTABLE)
+#if !(NET35 || NET20 || PORTABLE || WINDOWS_PHONE)
           return TimeSpan.Parse((string) initialValue, CultureInfo.InvariantCulture);
 #else
           return TimeSpan.Parse((string)initialValue);